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Uncovering Hidden Dynamics of Natural Photonic Structures Using Holographic Imaging
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Gated interference for time-resolved electron holography.

T Niermann1, M Lehmann1, T Wagner1

  • 1Technische Universität Berlin, Straße des 17. Juni 135, 10623 Berlin, Germany.

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|June 28, 2017
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Summary
This summary is machine-generated.

We developed a novel temporal gating method for pump-probe measurements using interferometric techniques. This approach enables microsecond time-resolved measurements of electric fields in periodic processes.

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Area of Science:

  • Physics
  • Materials Science
  • Spectroscopy

Background:

  • Pump-probe measurements are crucial for studying dynamic processes.
  • Periodic processes require precise temporal gating for signal analysis.
  • Existing methods may lack the necessary time resolution or sensitivity.

Purpose of the Study:

  • To develop a novel temporal gating technique for pump-probe measurements.
  • To leverage the sensitivity of interferometric methods to instabilities for gating.
  • To achieve microsecond time resolution for studying periodic processes.

Main Methods:

  • Utilized interferometric techniques, specifically electron holography, for its sensitivity to instabilities.
  • Implemented synchronized disturbances of the measurement setup to create temporal gating.
  • Performed pump-probe measurements on periodic processes using the developed gating method.

Main Results:

  • Successfully realized temporal gating by synchronized disturbances.
  • Demonstrated the capability to conduct pump-probe measurements with microsecond time resolution.
  • Measured electric fields in periodic processes with high temporal accuracy.

Conclusions:

  • The proposed method effectively enables temporal gating for pump-probe measurements.
  • Interferometric techniques are well-suited for time-resolved studies of dynamic phenomena.
  • This technique opens new possibilities for investigating ultrafast processes with high temporal resolution.